Hand-push roller type building distance measuring wheel

Abstract

The utility model discloses a hand-push roller type building distance measuring wheel, and relates to the technical field of measuring tools. The hand-push roller type building distance measuring wheel comprises a base, a data recorder is fixedly installed on the base, a distance measuring roller is arranged at the output end of the data recorder, a hand-push rod is fixedly installed on the base, the hand-push roller type building distance measuring wheel further comprises an installation frame fixedly connected to the base, piston cylinders are symmetrically and fixedly connected to the installation frame, and the distance measuring roller is arranged on the hand-push rod. A piston disc is connected in the piston cylinder in a sliding manner; according to the utility model, the driving unit drives the rotating shaft, the crankshaft, the piston rod, the piston disc and other parts to work cooperatively, and the air nozzle is used for spraying air flow to effectively blow away dust and sundries in front of the distance measuring roller, so that the rolling path of the distance measuring roller is clear, the measurement error caused by sundries blocking is reduced, and the measurement accuracy and stability are improved; meanwhile, additional manual cleaning is not needed, working efficiency is improved, and labor intensity is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of measuring tools, and concretely relates to a hand-push roller type building ranging wheel. BACKGROUND

[0002] In building construction, decoration and various engineering projects, accurate distance measurement is crucial for ensuring engineering quality, rational planning of resources and ensuring construction progress. Compared with the traditional tape measure method, the hand-push roller type building ranging wheel has significant advantages in long-distance measurement scenarios due to its convenient operation and fast measurement speed, which can greatly improve the measurement efficiency, and is widely used in various building projects.

[0003] However, the existing hand-push roller type building ranging wheel is often affected by the complex environment of the construction site during measurement. The construction site is usually covered with sand, debris and other debris. When the ranging roller rolls, these debris are easily accumulated in front of the roller, causing the roller to roll and resulting in measurement errors. In order to ensure measurement accuracy, the operator often needs to manually clean the debris in front of the roller frequently, which not only consumes a lot of time and effort, reduces work efficiency, but also increases labor intensity. Moreover, due to the difficulty in ensuring the timeliness of cleaning, measurement errors still cannot be effectively avoided during the process of manual cleaning of debris, which seriously affects the accuracy and stability of measurement. In view of this, the utility model is proposed. CONTENT OF THE UTILITY MODEL

[0004] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art and provide a hand-push roller type building ranging wheel that can overcome the above problems or at least partially solve the above problems.

[0005] To solve the above technical problems, the basic idea of the technical solution of the utility model is:

[0006] The hand-push roller type building ranging wheel comprises a base, a data recorder fixedly installed on the base, a ranging roller provided at the output end of the data recorder, a hand-push rod fixedly installed on the base, and an installation frame fixedly connected to the base, wherein the installation frame is symmetrically fixedly connected with a piston cylinder, a piston disc is slidably connected in the piston cylinder, a piston rod is rotatably connected to the piston disc, a hollow cylinder is fixedly connected to the piston cylinder, the hollow cylinder is located in front of the ranging roller, and a plurality of inclined forward air nozzles are provided on the hollow cylinder. A rotating shaft is rotatably connected to the installation frame, a crankshaft has one end fixedly connected to the rotating shaft and the other end rotatably connected to one end of the piston rod away from the piston disc, and a driving unit is provided on the output end of the data recorder and used to drive the rotating shaft to rotate.

[0007] In order to drive the rotation of the rotating shaft, preferably, the driving unit comprises two pulleys respectively fixedly installed at the output end of the data recorder and the rotating shaft, and the two pulleys are connected by a belt.

[0008] In order to facilitate the adjustment of the length of the hand push rod according to the use habit of the operator, preferably, a storage cylinder is connected to the base, the hand push rod is slidingly connected in the storage cylinder, a plurality of adjustment holes are equidistantly formed on the storage cylinder, and a locking component is arranged on the hand push rod and matched with the adjustment holes.

[0009] In order to limit the sliding of the hand push rod in the storage cylinder, further, the locking component comprises a pin shaft and a groove formed on the hand push rod, the pin shaft is slidingly connected in the groove, a spring is arranged in the groove, one end of the spring is fixedly connected with the pin shaft, and the other end is fixedly connected with the inner wall of the groove.

[0010] Further, a connecting sleeve is fixedly connected to the base, and the storage cylinder is detachably connected to the connecting sleeve.

[0011] In order to facilitate the disassembly of the storage cylinder by the operator, further, the storage cylinder is detachably connected with the inner wall of the connecting sleeve in a threaded connection manner.

[0012] In order to filter the gas passing through the catheter one, preferably, an activated carbon filter screen is arranged in the input end of the catheter one.

[0013] After the above technical scheme is adopted, the present application has the following beneficial effects compared with the prior art:

[0014] The present application drives the rotating shaft, the crankshaft and the piston rod, the piston disc and other components to work cooperatively by the driving unit, uses the air jet nozzle to spray air flow, effectively blows away the dust and sundries in front of the distance measuring roller, makes the rolling path of the distance measuring roller clear, reduces the measurement error caused by the sundries blockage, improves the accuracy and stability of the measurement, and does not need additional manual cleaning, improves the work efficiency and reduces the labor intensity.

[0015] The length of the hand push rod can be adjusted in the storage cylinder by the cooperation of the locking component and the adjustment hole, the length of the hand push rod can be flexibly changed according to the height of the user, the use habit and the specific measurement scene, different height operators can find a comfortable holding position, reduce the fatigue feeling of long time operation, and improve the operation convenience and applicability. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural diagram of the present application Figure 1 ;

[0017] Figure 2 is a structural diagram of the present applicationFigure 2 ;

[0018] Figure 3 is a structure expansion schematic view of the base, data recorder and distance measuring roller of the utility model;

[0019] Figure 4 is a structure expansion schematic view of the storage cylinder, hand push rod and connecting sleeve of the utility model;

[0020] Figure 5 is a partial structure schematic view of the utility model;

[0021] Figure 6 is an enlarged view of part A of the utility model. Figure 4

[0022] In the figure: 1, base; 101, data recorder; 102, distance measuring roller; 2, connecting sleeve; 201, storage cylinder; 202, hand push rod; 203, groove; 204, spring; 205, pin shaft; 206, adjusting hole; 3, mounting frame; 301, rotating shaft; 302, belt pulley; 303, belt; 4, piston cylinder; 401, piston disc; 402, piston rod; 403, crankshaft; 404, conduit one; 405, conduit two; 406, hollow cylinder; 407, air jet nozzle. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be described clearly and completely below by combining the drawings in the embodiments of the utility model, and the following embodiments are used to illustrate the utility model, but not to limit the scope of the utility model.

[0024] Embodiment 1:

[0025] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 5 ​, hand push roller type building ranging wheel, including base 1, base 1 is fixedly installed with data recorder 101, the output of data recorder 101 is provided with ranging roller 102, base 1 is fixedly installed with hand push rod 202, it also includes: mounting bracket 3, fixedly connected on base 1, wherein, mounting bracket 3 is fixedly connected with piston cylinder 4 on symmetry, piston cylinder 4 is slidably connected with piston disc 401, piston disc 401 is rotatably connected with piston rod 402, piston cylinder 4 is fixedly connected with conduit one 404, conduit two 405, one end of conduit two 405 away from piston cylinder 4 is fixedly connected with hollow cylinder 406, hollow cylinder 406 is located in the front of ranging roller 102, hollow cylinder 406 is provided with multiple oblique forward air nozzles 407;Rotary shaft 301, rotatably connected on mounting bracket 3;Crankshaft 403, one end is fixedly connected with rotary shaft 301, the other end is rotatably connected with the end of piston rod 402 away from piston disc 401;Drive unit, set on the output of data recorder 101, and for driving rotary shaft 301 to rotate.

[0026] Drive unit includes two fixedly installed on the output of data recorder 101, rotary shaft 301 on pulley 302, two pulley 302 is connected through belt 303.

[0027] When using, when ranging roller 102 starts to work, the rotation of ranging roller 102 is transmitted to the output of data recorder 101, at the same time, the output of data recorder 101 can drive rotary shaft 301 to rotate through belt 303 when rotating, the rotation of rotary shaft 301 makes the crankshaft 403 fixedly connected with it do circular motion, because the other end of crankshaft 403 is rotatably connected with piston rod 402, piston rod 402 is driven by crankshaft 403 to do reciprocating linear motion in piston cylinder 4, at the same time, piston disc 401 slides with piston rod 402 in piston cylinder 4, when piston disc 401 slides to the direction close to crankshaft 403, negative pressure is formed in piston cylinder 4, at this time, external air is sucked into piston cylinder 4 through conduit one 404, when piston disc 401 slides to the direction away from crankshaft 403, air in piston cylinder 4 is compressed, and is pressed into hollow cylinder 406 through conduit two 405, and is sprayed from multiple oblique forward air nozzles 407, so that dust, sundries and the like in front of ranging roller 102 can be effectively blown away, the path of ranging roller 102 rolling is more clear, the measurement error caused by sundries blocking is reduced, the accuracy and stability of measurement are improved, at the same time, the setting of the structure does not need additional manual cleaning work, improves work efficiency and reduces labor intensity.

[0028] It should be noted that one-way valve is arranged on conduit one 404 and conduit two 405;

[0029] Conduit two 405 is made of hard material, so that conduit two 405 can provide stable support for hollow cylinder 406.

[0030] Embodiment 2:

[0031] With reference to Figure 1 、 Figure 4 、 Figure 6 , the hand-pushing roller type building ranging wheel is basically the same as that in Embodiment 1, and further, a receiving cylinder 201 is connected to the base 1, a hand-pushing rod 202 is slidingly connected in the receiving cylinder 201, a plurality of adjusting holes 206 are equidistantly formed in the receiving cylinder 201, and a locking component is arranged on the hand-pushing rod 202 and used in cooperation with the adjusting holes 206;

[0032] When it is needed to adjust the length of the hand-pushing rod 202, the locking component is operated to be disengaged from the currently located adjusting hole 206, and then the hand-pushing rod 202 is slid in the receiving cylinder 201, and after being stretched or shortened to a proper length, the locking component is operated again to be clamped into the corresponding adjusting hole 206, so as to fix the position of the hand-pushing rod 202, and further, the length of the hand-pushing rod 202 can be flexibly adjusted according to the height of the user, the use habit and the specific measurement scene, so that the most comfortable holding position can be found for the operator with different heights, and the fatigue feeling caused by long-time operation is reduced.

[0033] The locking component comprises a pin shaft 205 and a groove 203 formed in the hand-pushing rod 202, the pin shaft 205 is slidingly connected in the groove 203, a spring 204 is arranged in the groove 203, one end of the spring 204 is fixedly connected with the pin shaft 205, and the other end is fixedly connected with the inner wall of the groove 203;

[0034] When it is needed to adjust the length of the hand-pushing rod 202, the pin shaft 205 is pressed into the groove 203, so that the pin shaft 205 is slid out of the current adjusting hole 206 against the elastic force of the spring 204 and is retracted into the groove 203, at this time, the hand-pushing rod 202 can be freely slid, and after the hand-pushing rod 202 is adjusted to a proper position, the pin shaft 205 is again slid into the corresponding adjusting hole 206 under the elastic force of the spring 204, so as to realize the fixation of the hand-pushing rod 202 and prevent the hand-pushing rod 202 from accidentally sliding during use, thereby ensuring the stability of the ranging roller 102 during operation.

[0035] Embodiment 3:

[0036] With reference to Figure 2 、 Figure 3 、 Figure 4 , the hand-pushing roller type building ranging wheel is basically the same as that in Embodiment 1, and further, a connecting sleeve 2 is fixedly connected to the base 1, and the receiving cylinder 201 is detachably connected to the connecting sleeve 2;

[0037] By making the storage tube 201 detachable, the overall length of the device is shortened, making it easier to place the device in a small space.

[0038] The storage tube 201 is detachably connected to the inner wall of the connecting sleeve 2 via a threaded connection;

[0039] When disassembling the storage tube 201, rotate the storage tube 201 in the opposite direction of the thread to gradually separate it from the inner wall of the connecting sleeve 2. When installing, align the threaded end of the storage tube 201 with the inner thread of the connecting sleeve 2, and rotate the storage tube 201 in the direction of the thread until the storage tube 201 is tightly connected to the connecting sleeve 2. This connection method is relatively simple to operate and does not require additional tools. The disassembly and installation of the storage tube 201 can be completed by manual rotation, which is convenient and quick.

[0040] Example 4:

[0041] Reference Figure 3 , Figure 4 The hand-pushed roller type building distance measuring wheel is basically the same as that in Example 1, but further includes an activated carbon filter screen, which is disposed in the input end of the conduit 404.

[0042] When the piston disc 401 slides towards the crankshaft 403, creating a negative pressure inside the piston cylinder 4 to draw in air, the outside air first passes through the activated carbon filter and then enters the piston cylinder 4 through the conduit 404. This allows the activated carbon filter to filter the drawn-in air, removing impurities such as dust, odors, and harmful gases, preventing impurities from entering the piston cylinder 4 and causing wear on the piston disc 401, thereby extending the service life of the equipment.

[0043] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model.

Claims

1. A hand-push wheeled building ranging wheel, comprising a base (1), a data recorder (101) is fixedly installed on the base (1), an output end of the data recorder (101) is provided with a ranging wheel (102), a hand-push rod (202) is fixedly installed on the base (1), characterized in that, Also include: The mounting bracket (3) is fixedly connected to the base (1), Wherein, the mounting bracket (3) is symmetrically fixedly connected with a piston cylinder (4), the piston cylinder (4) is slidably connected with a piston disc (401), the piston disc (401) is rotatably connected with a piston rod (402), the piston cylinder (4) is fixedly connected with a conduit one (404) and a conduit two (405), the conduit two (405) is fixedly connected with a hollow cylinder (406) at one end away from the piston cylinder (4), the hollow cylinder (406) is located in front of the distance measuring roller (102), a plurality of inclined forward air nozzles (407) are arranged on the hollow cylinder (406); The rotating shaft (301) is rotatably connected to the mounting bracket (3); The crankshaft (403) is fixedly connected to one end of the rotating shaft (301) and rotatably connected to the other end of the piston rod (402) away from the piston disc (401); The drive unit is arranged on the output end of the data recorder (101) and used for driving the rotating shaft (301) to rotate.

2. The hand-propelled wheeled building ranging wheel of claim 1, wherein, The drive unit includes two pulleys (302) fixedly arranged on the output end of the data recorder (101) and the rotating shaft (301), respectively, and the two pulleys (302) are connected by a belt (303).

3. The hand-propelled wheeled building ranging wheel of claim 1, wherein, The base (1) is connected with a receiving cylinder (201), the hand push rod (202) is slidably connected in the receiving cylinder (201), a plurality of adjusting holes (206) are equidistantly arranged on the receiving cylinder (201), and a locking member is arranged on the hand push rod (202) and matched with the adjusting hole (206).

4. The hand-propelled wheeled building ranging wheel of claim 3, wherein, The locking member includes a pin shaft (205) and a groove (203) arranged on the hand push rod (202), the pin shaft (205) is slidably connected in the groove (203), a spring (204) is arranged in the groove (203), one end of the spring (204) is fixedly connected with the pin shaft (205), and the other end is fixedly connected with the inner wall of the groove (203).

5. The hand-propelled wheeled building ranging wheel of claim 3, wherein, The base (1) is fixedly connected with a connecting sleeve (2), and the receiving cylinder (201) is detachably connected to the connecting sleeve (2).

6. The hand-propelled wheeled building ranging wheel of claim 5, wherein, The receiving cylinder (201) is detachably connected with the inner wall of the connecting sleeve (2) by screw connection.

7. The hand-propelled wheeled building ranging wheel of claim 1, wherein, It also includes an activated carbon filter screen arranged in the input end of the conduit one (404).

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